Filana Therapeutics (FLNA) Options Chain
NASDAQ: FLNAHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 222
- Share price
- $0.8168
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 134.4%
- Expected move
- ±$0.856
- Open interest (C / P)
- 173 / 1
FLNA options summary
The FLNA options chain for the May 21, 2027 expiration lists 2 call and 1 put contracts, with 222 days until expiration. Open interest stands at 173 calls and 1 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 134.4%, which implies the market expects a move of about ±$0.856 (104.8%) in Filana Therapeutics stock by expiration.
The most open interest sits at the $2.50 call (151 contracts) and the $2.50 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
FLNA options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.10 | 0.00 | 0.20 | 2.50 | 0.10 | 4.90 | 1.65 | |||||
| 0.10 | 0.00 | 0.75 | 7.50 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the FLNA put/call ratio?
For the May 21, 2027 expiration, the FLNA put/call ratio based on open interest is 0.01 (1 puts vs 173 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is FLNA's implied volatility?
At-the-money implied volatility for FLNA options expiring May 21, 2027 is about 134.4%, an annualized estimate of how much the market expects Filana Therapeutics stock to move.
How many FLNA option expiration dates are there?
FLNA has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.